Find the area of the triangle. please explain/show your work. thank you <3

BC = a
AC = b
ACB = C

To find the area of such triangle we are going to use the formula;

1/2 * a * b * sine C

Substitute values.

1/2 * 4 * 4 * sine 45
= 5.65^2

Therefore the area of the triangle is 5.65^2